at the national radio astronomy observatory, the home of the robert c byrd green bank telescope. >> the largest movable telescope in the world, it's reflecting surfaces 2.3 acres. >> it observes the birth and death of stars, the basic sugars, proteins, the building blocks of life that have been discovered by the telescope. >> you are kind of the nsa of science. >> yeah, i guess that's a way of putting it. we are the collection agency for universal radiation. >> why the quiet zone? >> the energy that it normally receives is equivalent to the energy of an by a single snowflake hitting the ground. >> with no white noise on the radio or cell phone use, living in green bank is like traveling back in time. >> your life is a little slower, old-fashioned. >> general store sells everything and if you need to call home, use the payphone.